java.lang.NullPointerException: at java.io.Reader.(Unknown Source) at java.io.InputStreamReader.(Unknown Source) at org.pentaho.ui.xul.impl.AbstractXulLoader.getDocFromInputStream(AbstractXulLoader.java:333) at org.pentaho.ui.xul.impl.AbstractXulLoader.preProcess(AbstractXulLoader.java:288) at org.pentaho.ui.xul.impl.AbstractXulLoader.loadXul(AbstractXulLoader.java:68) at org.pentaho.ui.xul.impl.AbstractXulLoader.loadXul(AbstractXulLoader.java:162) at org.pentaho.ui.xul.impl.AbstractXulLoader.loadXul(AbstractXulLoader.java:150) at org.pentaho.aggdes.ui.UIMain.start(UIMain.java:83) at org.pentaho.aggdes.ui.UIMain.main(UIMain.java:55) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.pentaho.commons.launcher.Launcher.main(Launcher.java:115)